Related Clues:

• Castaways' vehicles
• Lots and lots (of)
• Piracy venues
• Caribbean and Caspian
• ''High'' water
• Mediterranean and Irish
• Sizable bodies of water
• Grand Canyon boats
• Rides the rapids
• Rapids transits?
• Cousins of oceans
• They're often choppy
• Some huge bodies of water
• Triton's realms
• Caspian and Caribbean